JP2010188594A - Mold for molding in-mold coated article and method for manufacturing the in-mold coated article - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a sink mark from being caused on the surface of a thermosetting coating material layer by sufficiently compressing the thermosetting coating material layer. <P>SOLUTION: The mold for molding an in-mold coated article includes: a surface forming mold; a coating film forming mold; and a plurality of back surface forming molds. The coating film forming mold includes a first attaching plate and a cavity forming part for compressing the thermosetting coating material layer by the operation of a coating film compressive mechanism. The back surface forming mold includes: a compression block; an outer peripheral plate positioned around the periphery; a second attaching plate for fixing the compression block; and an elastic body between the outer peripheral plate and the second attaching plate. The molded article is formed by the back surface forming mold and the surface forming mold. The thermosetting coating resin layer is formed on the surface of a molded article by the back surface forming mold and the coating film forming mold. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  In the present invention, after injecting a thermosetting paint between the surface of a molded product molded in a mold and the mold cavity surface, the thermosetting paint is cured while being compressed in the mold, The present invention relates to a mold for forming an in-mold coating product in which a thermosetting coating is closely integrated with a surface and a method for manufacturing the in-mold coating product.

  In order to efficiently produce an in-mold coated product as a conventional in-mold coated product forming mold, an injection cavity mold 101, a decorative cavity mold 102, and two core shapes 103 are used, and a molded article 108 by the injection cavity mold 101 is used. On the other hand, a cavity is formed on the surface of the molded article 108 in the decorative cavity mold 102, and a decorative coating material made of a liquid thermosetting composition is press-fitted into the cavity. A technique for forming a decorative coating 109 on the surface of a molded article 108 is disclosed in Patent Document 1.

  In Patent Document 1, as in the case of normal two-color molding, an injection cavity mold 101 and a decorative cavity mold 102 are arranged in parallel at a symmetrical position on the stationary platen 151 side, and a pair of core molds are arranged at the opposite positions. A mode is also disclosed in which 103 is attached to a rotating plate 153 provided on the inner surface of the movable platen 152.

  In addition to this technique, the part forming the back surface of the molded product 108 is a compression block 104 with respect to the mounting plate 106 of the core 103, and an outer peripheral plate 105 is provided around the compression block 104. The outer peripheral plate 105 is movable by expansion and contraction of the coil spring 107. Thus, it was studied to compress the coding material to form the decorative coating 109 (see FIG. 11). The reason for this is that a decorative coating material made of a liquid thermosetting composition is greatly shrunk by curing, and the shrinkage rate is sometimes 5% or more, which is much higher than the shrinkage rate of general molding resins. This is to cope with the problem of sink marks appearing on the surface of the glass.

Japanese Patent No. 3998660

  However, when the decorative coating and the molded product are formed simultaneously, the compression amount of the decorative coating is the same as the compression amount of the molded product, so the compression amount of the decorative coating is limited to the compression limit of the molded product. Therefore, the decorative coating cannot be sufficiently compressed, and sink marks appear on the surface of the decorative coating.

  It is an object of the present invention to provide an in-mold coated product forming mold and a method for manufacturing an in-mold coated product in order to prevent the above problems from occurring.

  In order to achieve the above object, the present invention has the following features.

  The in-mold coated product forming mold of the present invention includes a surface forming mold, a coating film forming mold, and a plurality of back surface forming molds, and the coating film forming mold includes a first mounting plate and a coating film compression mechanism. A cavity forming portion for compressing the thermosetting paint layer by operation, the back surface forming mold is a compression block, an outer peripheral plate positioned around the compression block, a second mounting plate for fixing the compression block, an outer peripheral plate, 2 An elastic body is provided between the mounting plate and a molded product can be formed by the back surface forming die and the surface forming die, and heat is applied to the surface of the molded product by the back surface forming die and the coating film forming die. A curable paint layer can be formed.

  In the above invention, when the molded product is formed by the back surface forming mold and the surface forming mold, the parting surfaces of the compression block and the surface forming mold may be in contact with each other.

  The method for producing an in-mold coated product of the present invention uses the above-mentioned in-mold coated product forming mold, closes the back surface forming mold and the surface forming mold facing the surface forming mold, A molding cavity for forming is formed between the compression block, the outer peripheral plate, and the surface forming mold. The molding cavity is filled with molding resin, and the molding resin is cooled and solidified to form a molded product. The block holds the molded product, closes the back surface forming mold and the coating film forming mold facing the coating film forming mold, and forms a coating cavity for coating the molded product with a thermosetting paint. Between the outer peripheral plate and the cavity forming part, and thermosetting paint is injected into the coating cavity, and almost simultaneously with the completion of the injection, the cavity forming part is opposed to the coating film forming mold by the operation of the coating film compression mechanism. Move to the backside mold side and heat cure Characterized by compressing the paint layer.

  In the above invention, the molding resin is filled into the molding cavity, and the molding resin is cooled and solidified to form a molded product, and then compressed against the outer peripheral plate of the back surface forming mold facing the surface forming mold. The molded product may be compression molded by moving the block to the surface forming mold side.

  In addition, the method for producing an in-mold coated product of the present invention uses the above-mentioned in-mold coated product forming mold, closes the back surface forming mold and the surface forming mold facing the surface forming mold, and performs molding. The molding cavity for forming the product is formed between the compression block and the surface forming mold, the molding resin is filled in the molding cavity, and the molding resin is cooled and solidified to form the molded product, while the compression block is formed. Closes the back surface forming mold and the coating film forming mold that hold the molded product and oppose the coating film forming mold, and forms a coating cavity for coating the molded product with a thermosetting paint. It is formed between the outer peripheral plate and the cavity forming part, and thermosetting paint is injected into the coating cavity, and at the same time as the injection is completed, the cavity forming part is opposed to the coating film forming mold by the operation of the coating film compression mechanism. Move to backside mold side, thermosetting paint layer Characterized by compression.

  The in-mold coated product forming mold of the present invention includes a cavity forming portion in which the coating film forming mold compresses the thermosetting paint layer by the operation of the coating film compression mechanism. Thereby, the thermosetting paint layer can be sufficiently compressed by the operation of the coating film compression mechanism, and the surface of the thermosetting paint layer can be prevented from sinking.

  In the present invention, when the molded product is formed by the back surface forming mold and the surface forming mold, the parting surfaces of the compression block and the surface forming mold may be in contact with each other. As a result, there is no possibility that the outer peripheral plate is pushed back to the second mounting plate side by the pressure of the molding resin injection and a gap is generated between the outer peripheral plate and the surface forming mold, so that the generation of the outer peripheral resin burr in the molded product is prevented. be able to.

It is sectional drawing which shows the metal mold | die forming product formation metal mold | die of this invention. It is sectional drawing which shows the metal mold | die forming product formation metal mold | die of this invention. It is sectional drawing which shows the metal mold | die forming product formation metal mold | die of this invention. It is sectional drawing which shows the metal mold | die forming product formation metal mold | die of this invention. It is sectional drawing which shows the metal mold | die forming product formation metal mold | die of this invention. It is sectional drawing which shows the metal mold | die forming product formation metal mold | die of this invention. It is sectional drawing which shows the in-mold coating goods formation metal mold | die of another aspect of this invention. It is sectional drawing which shows the in-mold coating goods formation metal mold | die of another aspect of this invention. It is sectional drawing which shows the in-mold coating goods formation metal mold | die of another aspect of this invention. It is the schematic of the coating material injection machine used for the manufacturing method of the in-mold coating product of this invention. It is sectional drawing which shows the conventional metal mold | die forming product forming mold.

  Embodiments of the present invention will be described in detail with reference to the drawings.

  The in-mold coated product forming mold of the present invention includes a surface forming mold 1, a coating film forming mold 2, and a plurality of back surface forming molds 3. The back surface forming mold 3 is used to form the back surface shape of the molded product 22. The surface forming mold 1 is used for forming the surface shape of the molded product 22. The coating film forming mold 2 is used for forming the thermosetting paint layer 21 on the surface of the molded product 22. That is, the molded product 22 is formed by the back surface forming mold 3 and the front surface forming die 1, and the thermosetting paint layer 21 is formed on the surface of the molded product by the back surface forming mold 3 and the coating film forming mold 2. (See FIGS. 1 and 2).

  The mold for forming an in-mold coated product of the present invention can be placed in a two-color injection molding machine in which a movable platen 52 or a rotary plate 53 attached to the movable platen 52 rotates. As a mold arrangement in the injection molding machine, the surface forming mold 1 and the coating film forming mold 2 are fixed to a fixed platen 51, and the back surface forming mold 3 is attached to the movable platen 52 or the movable platen 52 of the injection molding machine. What is necessary is just to fix to the turntable 53 (refer FIG. 1). Further, even if the back surface forming mold 3 is fixed to the fixed platen 51 and the front surface forming die 1 and the coating film forming die 2 are fixed to the movable platen 52 of the injection molding machine or the rotating plate 53 attached to the movable platen 52. Good.

  The surface forming mold 1 may have a mounting plate (not shown) fixed to the injection molding machine.

  The coating film forming mold 2 is designed so that its outer shape is larger than that of the surface forming mold 1 and a portion that does not contact the molded product 22 can be formed. This non-contact portion corresponds to the coating cavity 13. The coating film forming mold 2 includes a cavity forming portion 7 that compresses a thermosetting paint layer by an operation of a coating film compression mechanism described later, and a first mounting plate that is fixed to an injection molding machine to support the cavity forming portion 7. 8.

  For example, a compression rod 31 can be used as the coating film compression mechanism. An electric servo motor may be used to drive the compression rod 31, but if the compression time takes a long time, it may be difficult to cool the motor, and in this respect, the hydraulic motor is excellent. The rod for extruding the plate provided in the injection molding machine may be used as the compression rod 31, but when introduced separately, the degree of freedom in designing the force for compressing the thermosetting paint layer is expanded. The coating film compression mechanism may be installed in the coating film forming mold 2 or installed outside the coating film forming mold 2 so as to act on the cavity forming portion 7 of the coating film forming mold 2. Good.

  The back surface forming mold 3 includes a compression block 4, an outer peripheral plate 5 positioned around the compression block 4, a second mounting plate 11 that fixes the compression block 4, and an elastic body between the outer peripheral plate 5 and the second mounting plate 11. A thing provided (for example, coil springs 9 and 10) can be used.

  The compression block 4 is for forming the back surface shape of the molded product 22, and the coating film together with the molded product 22 with respect to the outer peripheral plate 5 with the movement of the cavity forming portion 7 by the operation of the coating film compression mechanism. It is for compressing the thermosetting paint layer 21 by moving toward the forming mold 2 (see FIG. 3).

  The outer peripheral plate 5 is used to prevent the thermosetting paint from leaking from the coating cavity 13 by keeping the state where it is combined with the coating film forming mold 2 during mold closing.

  The elastic body is used to keep the outer peripheral plate 5 and the cavity forming portion 7 in a combined state even when the thermosetting paint layer 21 is compressed (see FIG. 3). As the elastic body, metal coil springs 9, 10 and rubber can be used.

  The second mounting plate 11 is fixed to the injection molding machine to support the compression block 4 and the outer peripheral plate 5. This is because the elastic body alone cannot support the weight of the outer peripheral plate 5.

  As a material for the thermosetting paint, for example, an oligomer such as a urethane acrylate oligomer having at least two (meth) acrylate groups, an epoxy acrylate oligomer, or a resin thereof, which uses an organic peroxide as an initiator for the curing reaction, or 20 to 70% by weight of unsaturated polyester resin, methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, (meth) acrylic acid, acetic acid The main component is a vehicle component composed of 80 to 30% by weight of a copolymerizable ethylenically unsaturated monomer such as vinyl, tripropylene glycol diacrylate, 1,6-hexanediol diacrylate, and styrene. ,aluminum Fee, pearl pigment, one made of release agent and light stabilizers, etc. may be used.

  What is necessary is just to set suitably as a viscosity of a thermosetting coating according to a pattern and thickness within the range of 2000-7000 mPa * s.

  The paint injection machine 41 applies pressure to the upper part of the paint tank 43, and an accurate amount of thermosetting paint for one shot is sent from the paint tank 43 to the paint injection unit 42 having the structure of metering / injection / valve. It has a structure (see FIG. 10).

  As the position setting of the coating material injection unit 42, it may be provided inside the coating film forming mold 2. Alternatively, a thermosetting paint injection port provided in the coating film forming mold 2 may be provided on the mating surface with the back surface forming mold 3 so that the paint injection unit 42 and the resin injection unit of the resin injection machine are vertical. Good. In this case, the back surface forming mold 3 holding the molded product 22 and the coating film forming mold 2 are closed, and the coating cavity 13 for coating the molded product 22 with a thermosetting paint is applied to the molded product 22. In the stage formed between the film forming mold 2 and the coating material injection unit 42 moves forward and directly touches the coating film forming mold 2, and the paint gate is provided with the thermosetting paint on the coating film forming mold 2. It is in a mechanism to be injected into the painting cavity 13 through. The nozzle tip of the paint injection unit 42 is adjusted to approximately 30 ° C. by a temperature controller. This prevents the thermosetting paint from solidifying due to the heat of the mold.

The injection time of the thermosetting paint is about 1 to 10 seconds, and is appropriately set depending on the material of the thermosetting paint, the size of the coating cavity 13, and the like. The injection pressure of the thermosetting paint is suitably set within a range of about 10 to 400 kgf / cm ² , but it is preferable to set the pressure higher in order to prevent burrs and bubbles in the coating film.

  The thickness of the finally formed thermosetting coating layer 21 is preferably 10 to 700 μm. When the thickness is less than 10 μm, the scratch resistance of many products is insufficient. When the thickness is 700 μm or more, the internal stress is too high and the film becomes brittle and easily cracked. In addition, the region exceeding 700 μm can be formed of a general thermoplastic resin without using liquid molding as in the present application, which is simpler.

  Next, the molding resin used in the method for producing an in-mold coated product of the present invention will be described. The molding resin is not particularly limited, such as a normal thermoplastic injection molding resin or engineering plastic, or a thermosetting molding resin material, but is preferably one that is easy to mold and has good adhesion to the thermosetting paint. Specific examples include acrylonitrile butadiene styrene resin (ABS resin), polyamide resin, polyethylene resin, polyester resin, polypropylene resin, polybutylene terephthalate resin, and polycarbonate resin.

  The molding resin is filled into the molding cavity 12 by a resin injection machine. An injection molding machine can be used as the resin injection machine.

  The mold temperatures of the back surface forming mold 3 and the front surface forming mold 1 are set by a mold temperature controller. The medium of the mold temperature controller may be water or oil. The temperature suitable for normal molding is set according to the material of the molding resin, and the mold temperature of the coating film forming mold 2 is the temperature at which the thermosetting paint cures within a few seconds depending on the material of the thermosetting paint. Should be set.

  Next, a method for producing an in-mold coated product using the in-mold coated product forming mold of the present invention will be described.

  First, the process of forming the molded product 22 on the surface forming mold 1 side will be described.

  The back surface forming mold 3 and the surface forming mold 1 facing the surface forming mold 1 are closed, and the molding cavity 12 for forming the molded product 22 is formed by the compression block 4, the outer peripheral plate 5, and the surface forming mold. 1 (see FIG. 1).

  Next, a molding resin is filled into the molding cavity 12 through a resin injection port (not shown) from the injection molding machine, and the molding resin is cooled and solidified to form a molded product 22 (see FIGS. 2 and 3).

  Here, while the molding resin is filled in the molding cavity 12 and the molding resin is cooled and solidified to form the molded product 22, the mold is opposed to the surface forming mold 1 by the clamping operation of the movable platen 52 of the injection molding machine. The molded product 22 may be compression-molded by moving the compression block 4 to the surface-forming mold 1 side with respect to the outer peripheral plate 5 of the back surface forming mold 3 (see FIG. 4). In this process, the elastic body (coil spring 10) of the back surface forming mold 3 facing the front surface forming mold 1 contracts.

  A process of manufacturing the in-mold coated product 23 on the coating film forming mold 2 side, which is performed simultaneously with the process of forming the molded product 22 on the surface forming mold 1 side, will be described.

  The compression block 4 holds the molded product 22 and the back surface forming mold 3 facing the coating film forming mold 2 and the coating film forming mold 2 are closed, and the molded product 22 is fixed with the thermosetting paint 21. A coating cavity 13 for coating is formed between the molded product 22, the outer peripheral plate 5, and the cavity forming portion 7 (see FIG. 1).

  Next, a thermosetting paint layer 21 is formed by injecting a thermosetting paint into the coating cavity 13 from the paint injection unit 42 through a paint injection port (not shown) (see FIG. 2).

  Almost simultaneously with the completion of the injection, the cavity forming portion 7 is moved to the back surface forming mold 3 side facing the coating film forming mold 2 by the operation of the coating film compression mechanism (for example, the compression rod 31). Here, “substantially simultaneously” means that the timing of starting compression may be before injection completion or after injection completion as long as there is no molding problem. In this process, the elastic body (coil spring 9) of the back surface forming mold 3 contracts, and the compression block 4 and the molded product 22 move toward the coating film forming mold 2 side relative to the outer peripheral plate 5. . Then, the cavity forming part 7 compresses the thermosetting paint layer 21 (see FIG. 3). Since there is no restriction | limiting in particular in the compression by a coating-film compression mechanism, it can set to a compression limit and it can be made not to sink on the surface of the thermosetting coating layer 21 by fully compressing the thermosetting coating layer 21. FIG.

  When the thermosetting paint layer 21 is compressed, the molded product 22 may be compression-molded as described above (see FIG. 4).

  Following the formation of the molded product 22 and the production of the in-mold coated product 23, the back surface forming mold 3 facing the surface forming mold 1 holds the molded product 22 and the back surface facing the coating film forming mold 2. The mold is opened while the forming mold 3 holds the in-mold coated product 23 (see FIG. 5).

  The in-mold coated product 23 is taken out, the back surface forming molds 3 are switched (see FIG. 6), the mold is closed, and the molding cycle is completed (see FIG. 1). Here, as the timing of taking out the in-mold coated product 23, the in-mold coated product 23 may be taken out after the back surface forming molds 3 are switched.

  A general-purpose take-out robot can be used for taking out the in-mold coated product 23.

  As a method of switching between the back surface forming dies 3, the movable platen of the injection molding machine in which the back surface forming die 3 is fixed to the fixed platen 51 in which the surface forming die 1 and the coating film forming die 2 are fixed. 52 or a rotating disk 53 attached to the movable disk 52 (see FIG. 6). Alternatively, the movable platen 52 of the injection molding machine in which the front surface forming die 1 and the coating film forming die 2 are fixed or the rotating plate attached to the movable platen 52 with respect to the fixed platen 51 to which the back surface forming die 3 is fixed. There is also a method of rotating 53.

  Further, an in-mold coated product forming mold according to another aspect of the present invention will be described (see FIGS. 7 to 9).

  This in-mold coated product forming mold is one in which the parting surfaces of the compression block 4 and the surface forming mold 1 are in contact with each other when the molded product 22 is formed by the back surface forming mold 3 and the surface forming mold 1. is there. In this in-mold coated product forming mold, the molding cavity 12 is formed between the compression block 4 and the surface forming mold 1 and is not formed by the outer peripheral plate 5. Different. If this in-mold coated product forming mold is used, the outer peripheral plate 5 is pushed back to the second mounting plate 11 side by the injection pressure of the molding resin, and there is a possibility that a gap is generated between the outer peripheral plate 5 and the surface forming mold 1. This eliminates the occurrence of outer peripheral resin burrs in the molded product 22, which is preferable.

  An in-mold coated article 23 was manufactured using an in-mold coated article forming mold including a front surface forming mold 1, a coating film forming mold 2 and two back forming molds 3 each having a cavity on each of the front and back surfaces. . The coating film forming mold 2 includes a first mounting plate 8 and a cavity forming portion 7 for compressing the thermosetting paint layer 21. The cavity forming portion 7 includes a paint injection unit 42 and a paint injection port. I used something. As the back surface forming mold 3, a compression block 4, an outer peripheral plate 5 positioned around the compression block 4, a second mounting plate 11 that fixes the compression block 4, and a coil spring 9 between the outer peripheral plate 5 and the second mounting plate 11. 10 was used.

  Of the two back surface forming molds 3 fixed to the rotating plate 53 attached to the movable platen 52 of the injection molding machine and set at a mold temperature of 105 ° C., the back surface forming mold 3 facing the surface forming mold 1 is also the same. The mold was closed with respect to the surface forming mold 1 whose mold temperature was set to 105 ° C., and a molding cavity 12 was formed between the compression block 4, the outer peripheral plate 5, and the surface forming mold 1 (see FIG. 1). . Next, the molding cavity 12 was filled with a solid color heat-resistant ABS resin heated and melted (see FIG. 2). And it was made to cool and solidify for 40 seconds, and the rectangular parallelepiped shaped molded product 22 of length 100mm, width 50mm, and height 3mm was formed (refer FIG. 3).

  The in-mold coated product 23 was manufactured simultaneously with the formation of the molded product 22. First, the outer shape of the cavity formed in the back surface forming mold 3 where the compression block 4 holds the molded product 22 and faces the coating film forming mold 2 and the cavity forming portion 7 has a length of 100.5 mm and a width of 50 A coating cavity 13 for coating the molded product 22 with a thermosetting paint is formed by closing the coating film forming mold 2 having a mold temperature of 105 mm and a height of 3.2 mm and a height of 3.2 mm. It formed between the product 22, the outer periphery plate 5, and the cavity formation part 7 (refer FIG. 1). Subsequently, a thermosetting paint (Praglas 8000 viscosity 3000 mPa · s manufactured by Dainippon Paint Co., Ltd.) was injected into the coating cavity 13 to form a thermosetting paint layer 21 (see FIG. 2). Almost simultaneously with the completion of the injection, the compression rod 31 is operated as a coating film compression mechanism, and the cavity forming portion 7 is moved to the back surface forming mold 3 side facing the coating film forming mold 2. The in-mold coated product 23 was manufactured by compressing and holding the thermosetting coating layer 21 for 40 seconds to solidify the thermosetting coating layer 21. By setting the operation by the compression rod 31 to be sufficiently large, the thermosetting paint layer 21 could be sufficiently compressed (see FIG. 3).

  Following the formation of the molded product 22 and the production of the in-mold coated product 23, the back surface forming mold 3 facing the surface forming mold 1 holds the molded product 22, and the back surface forming mold facing the coating film forming mold 2. 3 opens the mold while holding the in-mold coated product 23 (see FIG. 5), takes out the in-mold coated product 23, switches between the back surface forming dies 3 (see FIG. 6), closes the mold and molds. The cycle was completed (see Figure 1). No sink marks were found on the surface of the obtained in-mold coated product 23.

  When forming the molded product 22 with the back surface forming mold 3 and the surface forming mold 1, except that an in-mold coated product forming mold in which the parting surfaces of the compression block 4 and the surface forming mold 1 are in contact with each other is used. In-mold coated product 23 was produced in the same manner as in Example 1 (see FIGS. 7 to 9).

  When forming the molded product 22, the outer peripheral plate 5 was pushed back to the second mounting plate 11 side by the injection pressure of the molding resin, and no gap was generated between the outer peripheral plate 5 and the surface forming mold 1. Thereby, it was possible to form the molded product 22 in which the outer peripheral resin burrs of the molded product 22 were not generated.

DESCRIPTION OF SYMBOLS 1 Surface forming die 2 Coating film forming die 3 Back surface forming die 4 Compression block 5 Outer peripheral plate 7 Cavity formation part 8 1st attachment plate 9 Coil spring 10 Coil spring 11 2nd attachment plate 12 Molding cavity 13 Coating cavity 21 Thermosetting Paint layer 22 Molded product 23 Paint product in mold 31 Compression rod 41 Paint injection machine 42 Paint injection unit 43 Paint tank 51 Fixed platen 52 Movable platen 53 Rotary platen 54 Rotary shaft 101 Injection cavity mold 102 Decorating cavity mold 103 Core mold 104 Compression Block 105 Peripheral plate 106 Mounting plate 107 Coil spring 108 Molded product 109 Decorative coating 151 Fixed platen 152 Movable platen 153 Rotary platen 154 Rotating shaft

Claims (5)

Provided with a surface forming mold, a coating film forming mold and a plurality of back surface forming molds,
The coating film forming mold includes a first mounting plate and a cavity forming portion that compresses the thermosetting paint layer by the operation of the coating film compression mechanism,
The back surface forming mold includes a compression block, an outer peripheral plate positioned around the compression block, a second mounting plate for fixing the compression block, and an elastic body between the outer peripheral plate and the second mounting plate,
A molded product can be formed by the back surface forming mold and the surface forming mold,
An in-mold coated product forming mold characterized in that a thermosetting paint layer can be formed on the surface of a molded product by a back surface forming mold and a coating film forming mold.   The in-mold coated product forming mold according to claim 1, wherein when the molded product is formed by the back surface forming die and the surface forming die, the parting surfaces of the compression block and the surface forming die are in contact with each other. Using the in-mold coated product forming mold according to claim 1,
The back surface forming mold and the surface forming mold facing the surface forming mold are closed, and a molding cavity for forming a molded product is formed between the compression block, the outer peripheral plate, and the surface forming mold. While the molding cavity is filled with molding resin and the molding resin is cooled and solidified to form a molded product,
The compression block holds the molded product and closes the back surface forming mold and the coating film forming mold facing the coating film forming mold to form a coating cavity for coating the molded product with a thermosetting paint. The thermosetting paint is injected into the coating cavity, and almost simultaneously with the completion of the injection, the cavity forming portion is turned into a coating film forming mold by the operation of the coating film compression mechanism. A method for producing an in-mold coated product, wherein the thermosetting paint layer is compressed by moving to the opposite back surface forming mold side.   While the molding resin is filled in the molding cavity and the molding resin is cooled and solidified to form a molded product, the compression block is placed on the surface forming mold side against the outer peripheral plate of the back surface forming mold facing the surface forming mold. The method for producing an in-mold coated product according to claim 3, wherein the molded product is compression-molded by being moved to Using the in-mold coated product forming mold according to claim 2,
A mold cavity for forming a molded product is formed between the compression block and the surface forming mold by closing the back surface forming mold and the surface forming mold facing the surface forming mold. While filling the molding resin to form a molded product by cooling and solidifying the molding resin,
The compression block holds the molded product and closes the back surface forming mold and the coating film forming mold facing the coating film forming mold to form a coating cavity for coating the molded product with a thermosetting paint. The thermosetting paint is injected into the coating cavity, and almost simultaneously with the completion of the injection, the cavity forming portion is turned into a coating film forming mold by the operation of the coating film compression mechanism. A method for producing an in-mold coated product, wherein the thermosetting paint layer is compressed by moving to the opposite back surface forming mold side.

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